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Archived from groups: rec.audio.pro (More info?)
I am in the process of calibrating a pair of Neve 32254E Limiter/Compressors
and using tones I appear to have them where I want them. However,
there is one calibration on them that I don't know what to do with.
It is labelled "Set +8". I understand that broadcast often uses +8
as a standard as opposed to +4 dBU. However, these are variable
pots so it isn't as if I can "click" them in and out of a higher
operating range. Anyone know what these do?
The other calibrations are "PPM in", "PPM out", "set gain", and "set
threshold", BTW. But these all make sense to me. However, I do
seem to remember that the "PPM" designation is related to +8
broadcast standard.
Related question---I had a rack made for these. While it is pretty
nicely made, they appear to have ignored my request for a larger
power supply. These modules need 250 mA. People like Fletcher and
Geoff Tanner have stated that you need 6 to 10 times that capacity
to operate them optimally meaning I need something in the range of
3 to 5 amps (at 24VDC, not that it matters). The power supply they
installed is only rated at 1.2 amps. I am thinking about ordering
a beefier power supply and putting it in myself. But in the meantime
can I not just avoid saturation/clipping (unless that's
what I want!) by just staying off the makeup gain and compensating
for it on my mixer?
BTW, they sound really good, except for being kind of noisy.
Thanks,
Rob R.
I am in the process of calibrating a pair of Neve 32254E Limiter/Compressors
and using tones I appear to have them where I want them. However,
there is one calibration on them that I don't know what to do with.
It is labelled "Set +8". I understand that broadcast often uses +8
as a standard as opposed to +4 dBU. However, these are variable
pots so it isn't as if I can "click" them in and out of a higher
operating range. Anyone know what these do?
The other calibrations are "PPM in", "PPM out", "set gain", and "set
threshold", BTW. But these all make sense to me. However, I do
seem to remember that the "PPM" designation is related to +8
broadcast standard.
Related question---I had a rack made for these. While it is pretty
nicely made, they appear to have ignored my request for a larger
power supply. These modules need 250 mA. People like Fletcher and
Geoff Tanner have stated that you need 6 to 10 times that capacity
to operate them optimally meaning I need something in the range of
3 to 5 amps (at 24VDC, not that it matters). The power supply they
installed is only rated at 1.2 amps. I am thinking about ordering
a beefier power supply and putting it in myself. But in the meantime
can I not just avoid saturation/clipping (unless that's
what I want!) by just staying off the makeup gain and compensating
for it on my mixer?
BTW, they sound really good, except for being kind of noisy.
Thanks,
Rob R.